.vault {
  --vt-bg: #000;
  --vt-ink: #fff;
  --vt-muted: rgba(255, 255, 255, 0.5);
  --vt-border: rgba(255, 255, 255, 0.38);
  --vt-border-w: 1.5px;
  --vt-display: 'Oswald', sans-serif;
  --vt-body: 'Inter', sans-serif;
  --vt-mono: 'Space Mono', monospace;
  --vt-serif: "Times New Roman", Times, serif;

  background: var(--vt-bg);
  color: var(--vt-ink);
  font-family: var(--vt-body);
  border-top: var(--vt-border-w) solid var(--vt-border);
  width: 100%;
  max-width: 100%;
}

.vault-ticker {
  border-bottom: var(--vt-border-w) solid var(--vt-border);
  overflow: hidden;
  background: #000;
  color: #fff;
}

.vault-ticker__track {
  display: flex;
  width: max-content;
  animation: vault-marquee 38s linear infinite;
}

.vault-ticker__track span {
  font-family: var(--vt-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 10px 0;
  flex-shrink: 0;
}

.vault-ticker__track span::after {
  content: ' ◆ ';
  opacity: 0.35;
}

@keyframes vault-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.vault-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  min-height: 320px;
  border-bottom: var(--vt-border-w) solid var(--vt-border);
}

.vault-hero__title {
  padding: clamp(2rem, 5vw, 4rem);
  border-right: var(--vt-border-w) solid var(--vt-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vault-hero__title .meta {
  font-family: var(--vt-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--vt-muted);
}

.vault-hero__title h2 {
  font-family: var(--vt-display);
  font-size: clamp(4rem, 11vw, 9rem);
  font-weight: 500;
  line-height: 0.82;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-top: 2rem;
}

.vault-hero__title .sub {
  font-family: var(--vt-serif);
  font-size: 15px;
  color: var(--vt-muted);
  max-width: 380px;
  line-height: 1.5;
  margin-top: 2rem;
}

.vault-hero__manifest {
  padding: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--vt-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--vt-muted);
}

.vault-hero__manifest .prompt {
  color: var(--vt-ink);
}

.vault-hero__manifest .prompt::before {
  content: '➜ ';
  opacity: 0.45;
}

.vault-hero__stat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--vt-border);
  border: var(--vt-border-w) solid var(--vt-border);
  margin-top: 2rem;
}

.vault-hero__stat div {
  background: var(--vt-bg);
  padding: 1.25rem 1rem;
}

.vault-hero__stat .num {
  display: block;
  font-family: var(--vt-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  line-height: 1;
  color: var(--vt-ink);
  letter-spacing: -0.04em;
}

.vault-hero__stat .lbl {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 6px;
}

.vault-filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: var(--vt-border-w) solid var(--vt-border);
}

.vault-filter {
  padding: 14px 20px;
  font-family: var(--vt-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-muted);
  border-right: var(--vt-border-w) solid var(--vt-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vault-filter:last-child {
  border-right: none;
}

.vault-filter strong {
  color: var(--vt-ink);
  font-weight: 400;
}

.vault-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

a.vault-card {
  cursor: pointer;
}

.vault-card {
  position: relative;
  min-height: 280px;
  padding: 28px 24px 22px;
  background: #141414;
  border-right: var(--vt-border-w) solid var(--vt-border);
  border-bottom: var(--vt-border-w) solid var(--vt-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease;
  overflow: hidden;
}

.vault-card:nth-child(4n) {
  border-right: none;
}

.vault-card:hover {
  background: #1e1e1e;
}

.vault-showcase {
  display: grid;
  grid-template-columns: 1fr;
}

.vault-card--feature {
  border-right: none;
  min-height: 240px;
  padding: 36px 32px 28px;
}

.vault-card--feature .vault-card__name {
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  max-width: 900px;
}

.vault-card--feature .vault-card__issuer {
  font-size: 14px;
  max-width: 640px;
  margin-top: 4px;
}

.vault-card--feature .vault-card__foot {
  margin-top: 2rem;
}

.vault-grid--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vault-grid--triple .vault-card {
  border-bottom: none;
}

.vault-grid--triple .vault-card:nth-child(3n) {
  border-right: none;
}

.vault-grid--triple .vault-card:nth-child(4n) {
  border-right: var(--vt-border-w) solid var(--vt-border);
}

.vault-card__perforation {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 10px;
  background: repeating-linear-gradient(
    to bottom,
    #141414 0,
    #141414 5px,
    transparent 5px,
    transparent 10px
  );
  pointer-events: none;
  opacity: 0.35;
}

.vault-card:hover .vault-card__perforation {
  opacity: 0.5;
}

.vault-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.vault-card__meta {
  font-family: var(--vt-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vt-muted);
}

.vault-card__stamp {
  font-family: var(--vt-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--vt-ink);
  border: 1px solid var(--vt-border);
  padding: 5px 10px;
  transform: rotate(-7deg);
  flex-shrink: 0;
}

.vault-card__name {
  font-family: var(--vt-display);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 1.25rem 0 0.5rem;
  max-width: 95%;
}

.vault-card__issuer {
  font-family: var(--vt-serif);
  font-size: 13px;
  color: var(--vt-muted);
  font-style: italic;
}

.vault-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--vt-border);
}

.vault-card__id {
  font-family: var(--vt-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--vt-muted);
}

.vault-card__year {
  font-family: var(--vt-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.vault-barcode {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 28px;
}

.vault-barcode span {
  display: block;
  width: 2px;
  background: var(--vt-ink);
  opacity: 0.7;
}

.vault-barcode span:nth-child(3n) { height: 100%; }
.vault-barcode span:nth-child(3n+1) { height: 65%; }
.vault-barcode span:nth-child(3n+2) { height: 85%; }

.vault-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 1.25rem 2rem;
  border-top: var(--vt-border-w) solid var(--vt-border);
  font-family: var(--vt-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vt-muted);
}

.vault-footer a {
  color: var(--vt-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 1100px) {
  .vault-hero {
    grid-template-columns: 1fr;
  }

  .vault-hero__title {
    border-right: none;
    border-bottom: var(--vt-border-w) solid var(--vt-border);
  }

  .vault-filters {
    grid-template-columns: repeat(2, 1fr);
  }

  .vault-filter:nth-child(2n) {
    border-right: none;
  }

  .vault-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .vault-card:nth-child(4n) {
    border-right: var(--vt-border-w) solid var(--vt-border);
  }

  .vault-card:nth-child(2n) {
    border-right: none;
  }

  .vault-grid--triple {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .vault-grid--triple .vault-card:nth-child(3n) {
    border-right: var(--vt-border-w) solid var(--vt-border);
  }

  .vault-grid--triple .vault-card:nth-child(2n) {
    border-right: none;
  }

  .vault-footer {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  /* compact 2×2 handled in mobile.css */
}

@media (prefers-reduced-motion: reduce) {
  .vault-ticker__track {
    animation: none;
  }
}